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Chwarel Ithfaen Arenig
[Safle Gorchymyn Gwahardd]
Parc Cenedlaethol Eryri
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Gwaith Adfer
Pwll Tywod a Gro Fferm Graianog
Gwynedd
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Gwyneb y gwaith
Pwll Tywod a Gro Fferm Graianog
Gwynedd
|
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Draenio Dwr Wyneb
Pwll Tywod a Gro Fferm Graianog
Gwynedd
|
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Chwareli Lechi Oakeley
Blaenau Ffestiniog
Gwynedd
|
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Chwarel Lechi Penrhyn
Bethesda
Gwynedd
|
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Chwarel Lechi Penrhyn
Bethesda
Gwynedd
|
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Gwaith Datblygu’r Safle
Pwll Tywod a Gro Blaen y Cae
Gwynedd
|
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Tomen Lechi Trosglwyn
Penygroes
Gwynedd
|
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Chwarel Ithfaen Trefor
Caernarfon
Gwynedd
|